Bristle for a brush



FIG. 1 is a perspective view of a bristle for a brush showing my new design;

FIG. 2 is an elevation view thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.

The bottom end of the bristle is shown broken away to indicate indeterminate length. 

The ornamental design for a bristle for a brush, as shown and described. 